详解Mybatis分页插件 - 示例代码

public interface SysLoginLogMapper { 
  /** 
   * 根据查询条件查询登录日志 
   * @param logip 
   * @param username 
   * @param loginDate 
   * @param exitDate 
   * @return 
   */ 
  List<SysLoginLog> findSysLoginLog(@Param("logip") String logip, 
                   @Param("username") String username, 
                   @Param("loginDate") String loginDate, 
                   @Param("exitDate") String exitDate, 
                   @Param("logerr") String logerr); 
 
} 

<?xml version="1.0" encoding="UTF-8" ?> 
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" > 
<mapper namespace="com.easternie.sys.dao.SysLoginLogMapper"> 
 <select id="findSysLoginLog" resultType="com.easternie.sys.vo.model.SysLoginLog"> 
  select * from sys_login_log a 
  <if test="username != null and username != ''"> 
   left join sys_user b on a.userid = b.userid 
  </if> 
  <where> 
   <if test="logip!=null and logip != ''"> 
    a.logip like '%'||#{logip}||'%' 
   </if> 
   <if test="username != null and username != ''"> 
    and (b.username like '%'||#{username}||'%' or b.realname like '%'||#{username}||'%') 
   </if> 
   <if test="loginDate!=null and loginDate!=''"> 
    and to_date(substr(a.logindate,0,10),'yyyy-MM-dd') = to_date(#{loginDate},'yyyy-MM-dd') 
   </if> 
   <if test="exitDate!=null and exitDate!=''"> 
    and to_date(substr(a.EXITDATE,0,10),'yyyy-MM-dd') = to_date(#{exitDate},'yyyy-MM-dd') 
   </if> 
   <if test="logerr!=null and logerr!=''"> 
    and a.logerr like '%'||#{logerr}||'%' 
   </if> 
  </where> 
  order by logid desc 
 </select> 
</mapper> 

public List<SysLoginLog> findSysLoginLog(String loginIp, 
                     String username, 
                     String loginDate, 
                     String exitDate, 
                     String logerr) throws BusinessException { 
  return sysLoginLogMapper.findSysLoginLog(loginIp, username, loginDate, exitDate, logerr); 
} 

public PageHelper.Page<SysLoginLog> findSysLoginLog(String loginIp, 
                     String username, 
                     String loginDate, 
                     String exitDate, 
                     String logerr, 
                     int pageNumber, 
                     int pageSize) throws BusinessException { 
  PageHelper.startPage(pageNumber,pageSize); 
  sysLoginLogMapper.findSysLoginLog(loginIp, username, loginDate, exitDate, logerr); 
  return PageHelper.endPage(); 
} 

PageHelper.startPage(pageNumber,pageSize); 

sysLoginLogMapper.findSysLoginLog(loginIp, username, loginDate, exitDate, logerr); 

PageHelper.endPage();